Photoinitiator. The component that interacts with ultraviolet light and allows the varnish to harden when drying. It is harmless to the body and non-toxic. It is because of the amount of photoinitiator that you may feel a burning sensation during drying. The more of this component in the composition, the faster the coating dries. Film former. A substance that interacts with ultraviolet radiation. With such a reaction, a durable film is formed on the surface, which prevents rapid abrasion of the varnish. Also, the product is resistant to household chemicals and acetone. Silicon chloride. This component is added to give shine and pearl. Silica. A substance that prevents the splitting of the gel into fractional components. Methacrylates. The agent responsible for the thickness and consistency of the varnish. Depending on its quantity, gels are divided into more watery and thick ones. Vitamins. A vitamin complex is often added to the base, nourishing the nail plate and preserving its condition.